1. School of Advanced Sciences, Department of Chemistry; VIT University; Vellore Tamil Nadu 632014 India
2. Chemical Research Department, API R&D Centre; Micro Labs Ltd; Bommasandra Bangalore Karnataka 560105 India
3. Department of Biotechnology, School of Bio-Science and Technology; VIT University; Vellore Tamil Nadu 632014 India
4. Centre for Biotechnology, Anna University; Chennai Tamil Nadu 600025 India